Brochure

27
5/98
© 1998 Square D All Rights Reserved
Thermal Unit Selection
Tables 13 thru 18
Table 13
Motor
Full-Load Current (Amp)
Thermal
Unit
Number
1.T.U. 2 T.U. 3 T.U.
0.29-0.31
0.32-0.34
0.65-0.38
0.39-0.45
0.46-0.54
0.29-0.31
0.32-0.34
0.35-0.38
0.39-0.45
0.46-0.54
0.28-0.30
0.31-0.34
0.35-0.37
0.38-0.44
0.45-0.53
B 0.44
B 0.51
B 0.57
B 0.63
B 0.71
0.55-0.61
0.62-0.66
0.67-0.73
0.74-0.81
0.82-0.94
0.55-0.61
0.62-0.66
0.67-0.73
0.74-0.81
0.82-0.94
0.54-0.59
0.60-0.64
0.65-0.72
0.73-0.80
0.81-0.90
B 0.81
B 0.92
B 1.03
B 1.16
B 1.30
0.95-1.05
1.06-1.22
1.23-1.34
1.35-1.51
1.52-1.71
0.95-1.05
1.06-1.22
1.23-1.34
1.35-1.51
1.52-1.71
0.91-1.03
1.04-1.14
1.15-1.27
1.28-1.43
1.44-1.62
B 1.45
B 1.67
B 1.88
B 2.10
B 2.40
1.72-1.93
1.94-2.14
2.15-2.40
2.41-2.72
2.73-3.15
1.72-1.93
1.94-2.14
2.15-2.40
2.41-2.72
2.73-3.15
1.63-1.77
1.78-1.97
1.98-2.32
2.33-2.51
2.52-2.99
B 2.65
B 3.00
B 3.30
B 3.70
B 4.15
3.16-3.55
3.56-4.00
4.01-4.40
4.41-4.88
4.89-5.19
3.16-3.55
3.56-4.00
4.01-4.40
4.41-4.88
4.89-5.19
3.00-3.42
3.43-3.75
3.76-3.98
3.99-4.48
4.49-4.93
B 4.85
B 5.50
B 6.25
B 6.90
B 7.70
5.20-5.73
5.74-6.39
6.40-7.13
7.14-7.90
7.91-8.55
5.20-5.73
5.74-6.39
6.40-7.13
7.14-7.90
7.91-8.55
4.94-5.21
5.22-5.84
5.85-6.67
6.68-7.54
7.55-8.14
B 8.20
B 9.10
B 10.2
B 11.5
B 12.8
8.56-9.53
9.54-10.6
10.7-11.8
11.9-13.2
13.3-14.9
8.56-9.53
9.54-10.6
10.7-11.8
11.9-12.0
. . . .
8.15-8.72
8.73-9.66
9.67-10.5
10.6-11.3
11.4-12.0
B14
B 15.5
B 17.5
B 19.5
B22
15.0-16.6
16.7-18.0
. . . .
. . . .
. . . .
. . . .
B25
B 28.0
Following Selections for Size 1 Only
. . . .
. . . .
. . . .
16.7-18.9
19.0-21.2
11.9-13.2
13.3-14.9
15.0-16.6
16.7-18.9
19.0-21.2
. . . .
11.4-12.7
12.8-14.1
14.2-15.9
16.0-17.5
B 19.5
B22
B25
B 28.0
B32
21.3-23.0
23.1-25.5
25.6-26.0
. . . .
21.3-23.0
23.1-25.5
25.6-26.0
. . . .
17.6-19.7
19.8-21.9
22.0-24.4
24.5-26.0
B36
B40
B45
B50
Table 16
Motor
Full-Load Current (Amp)
Thermal
Unit
Number
1.T.U. 2 T.U. 3 T.U.
16.2-17.5
17.6-18.8
18.9-20.5
20.6-22.2
22.3-23.7
15.1-16.2
16.3-17.3
17.4-19.5
19.5-20.7
20.8-22.3
14.3-15.4
15.5-16.4
16.5-18.5
18.6-19.6
19.7-21.1
CC 20.9
CC 22.8
CC 24.6
CC 26.3
CC 28.8
23.8-25.4
25.5-27.3
27.4-29.3
29.4-31.4
31.6-33.9
22.4-24.0
24.1-25.7
25.8-27.5
27.6-29.6
29.7-31.7
21.2-22.7
22.8-24.4
24.5-26.1
26.2-28.1
28.2-30.0
CC 31.0
CC 33.3
CC 36.4
CC 39.6
CC 42.7
34.0-36.2
36.3-39.3
39.4-42.3
42.4-45.3
45.4-48.3
31.8-33.9
34.0-36.6
36.7-39.3
39.4-42.3
42.4-44.9
30.1-32.1
32.2-34.7
34.8-37.3
37.4-40.1
40.2-42.6
CC 46.6
CC 50.1
CC 54.5
CC 59.4
CC 64.3
48.4-52.0
52.1-54.9
55.0-59.7
59.8-65.4
65.5-69.6
45.0-48.3
48.4-50.9
51.0-55.5
55.6-59.9
60.0-64.2
42.7-45.8
45.9-48.3
48.4-52.6
52.7-56.8
56.9-60.9
CC 68.5
CC 74.6
CC 81.5
CC 87.7
CC 94.0
69.7-74.8
74.9-79.7
79.8-83.1
83.2-86.0
. . . .
64.3-68.7
68.8-71.4
71.5-74.8
74.9-78.0
78.1-80.7
61.0-65.1
65.2-67.7
67.8-70.9
71.0-73.9
74.0-76.5
CC 103
CC 112
CC 121
CC 132
CC 143
. . . .
. . . .
. . . .
80.8-86.0
. . . .
. . . .
76.6-80.2
80.3-83.1
83.2-86.0
CC 156
CC 167
CC 180
Table 14
Motor
Full-Load Current (Amp)
Thermal
Unit
Number
1.T.U. 2 T.U. 3 T.U.
0.43-0.47
0.48-0.51
0.52-0.56
0.57-0.64
0.65-0.69
0.41-0.45
0.46-0.50
0.51-0.55
0.56-0.62
0.63-0.67
0.40-0.41
0.42-0.46
0.47-0.51
0.52-0.57
0.58-0.62
A .49
A .54
A .59
A .65
A .71
0.70-0.76
0.77-0.84
0.85-0.91
0.92-1.01
1.02-1.15
0.68-0.72
0.73-0.81
0.82-0.88
0.89-0.97
0.98-1.08
0.63-0.67
0.68-0.75
0.76-0.80
0.81-0.89
0.90-1.02
A .78
A .86
A .95
A 1.02
A 1.16
1.16-1.23
1.24-1.37
1.38-1.45
1.46-1.56
1.57-1.67
1.09-1.18
1.19-1.32
1.33-1.40
1.41-1.48
1.49-1.60
1.03-1.09
1.10-1.21
1.22-1.29
1.30-1.37
1.38-1.48
A 1.25
A 1.39
A 1.54
A 1.63
A 1.75
1.68-1.77
1.78-1.92
1.93-2.09
2.10-2.31
2.32-2.56
1.61-1.72
1.73-1.84
1.85-2.00
2.01-2.22
2.23-2.45
1.49-1.58
1.59-1.72
1.73-1.85
1.86-2.05
2.06-2.29
A 1.86
A 1.99
A 2.15
A 2.31
A 2.57
2.57-2.92
2.93-3.16
3.17-3.48
3.49-3.83
3.84-4.24
2.46-2.82
2.83-3.08
3.09-3.39
3.40-3.75
3.76-4.16
2.30-2.62
2.63-2.84
2.85-3.10
3.11-3.46
3.47-3.85
A 2.81
A 3.61
A 3.95
A 4.32
A 4.79
4.25-4.62
4.63-4.92
4.93-5.61
5.62-5.85
5.86-6.36
4.17-4.51
4.52-4.83
4.84-5.49
5.50-5.67
5.68-6.16
3.86-4.16
4.17-4.46
4.47-5.08
5.09-5.35
5.36-5.82
A 5.30
A 5.78
A 6.20
A 6.99
A 7.65
6.37-6.99
7.00-7.67
7.68-8.15
8.16-9.00
6.17-6.75
6.76-7.00
. . . .
. . . .
5.83-6.34
6.35-6.95
6.96-7.00
. . . .
A 8.38
A 9.25
A 9.85
A 11.0
Table 15
Motor
Full-Load Current (Amp)
Thermal
Unit
Number
1.T.U. 2 T.U. 3 T.U.
0.31-0.33
0.34-0.36
0.37-0.40
0.41-0.48
0.49-0.57
0.31-0.33
0.34-0.36
0.37-0.40
0.41-0.48
0.49-0.57
0.29-0.31
0.32-0.36
0.37-0.38
0.39-0.46
0.47-0.55
B 0.44
B 0.51
B 0.57
B 0.63
B 0.71
0.58-0.64
0.65-0.70
0.71-0.77
0.78-0.85
0.86-0.99
0.58-0.64
0.65-0.70
0.71-0.77
0.78-0.85
0.86-0.99
0.56-0.61
0.62-0.66
0.67-0.75
0.76-0.83
0.84-0.93
B 0.81
B 0.92
B 1.03
B 1.16
B 1.30
1.00-1.10
1.11-1.28
1.29-1.41
1.42-1.58
1.59-1.80
1.00-1.10
1.11-1.28
1.29-1.41
1.42-1.58
1.59-1.80
0.94-1.06
1.07-1.18
1.19-1.31
1.32-1.47
1.48-1.67
B 1.45
B 1.67
B 1.88
B 2.10
B 2.40
1.81-2.03
2.04-2.25
2.26-2.51
2.52-2.83
2.84-3.29
1.81-2.03
2.04-2.25
2.26-2.51
2.52-2.83
2.84-3.29
1.68-1.83
1.84-2.04
2.05-2.38
2.38-2.60
2.61-3.13
B 2.65
B 3.00
B 3.30
B 3.70
B 4.15
3.30-3.75
3.76-4.22
4.23-4.65
4.66-5.16
5.17-5.53
3.30-3.75
3.76-4.22
4.23-4.65
4.66-5.16
5.17-5.53
3.14-3.59
3.60-3.94
3.95-4.19
4.20-4.72
4.73-5.21
B 4.85
B 5.50
B 6.25
B 6.90
B 7.70
5.54-6.09
6.10-6.80
6.81-7.60
7.61-8.35
8.36-9.04
5.54-6.09
6.10-6.80
6.81-7.60
7.61-8.35
8.36-9.04
5.22-5.51
5.52-6.17
6.18-7.07
7.08-8.05
8.06-8.69
B 8.20
B 9.10
B 10.2
B 11.5
B 12.8
9.05-9.99
10.0-11.1
11.2-12.3
12.4-13.7
13.8-15.4
9.05-9.99
10.0-11.1
11.2-12.0
. . . .
. . . .
8.70-9.32
9.33-10.2
10.3-11.3
11.4-12.0
. . . .
B14
B 15.5
B 17.5
B 19.5
B22
15.5-18.0 . . . . . . . . B 25
Following Selections for Size 1 Only
. . . .
. . . .
. . . .
15.5-17.2
17.3-19.4
11.2-12.3
12.4-13.7
13.8-15.4
15.5-17.2
17.3-19.4
. . . .
11.4-12.1
12.2-13.7
13.8-15.2
15.3-17.2
B 17.5
B 19.5
B22
B25
B 28.0
19.5-21.7
21.8-23.9
24.0-26.0
. . . .
19.5-2.17
21.8-23.9
24.0-26.0
. . . .
17.3-18.9
19.0-21.4
21.5-23.7
23.8-26.0
B32
B36
B40
B45
Table 17
Motor
Full-Load Current (Amp)
Thermal
Unit
Number
1.T.U. 2 T.U. 3 T.U.
0.42-0.46
0.47-0.50
0.51-0.55
0.56-0.62
0.63-0.67
0.39-0.43
0.44-0.47
0.48-0.52
0.53-0.58
0.59-0.64
0.38-0.40
0.41-0.44
0.45-0.49
0.50-0.55
0.56-0.60
A .49
A .54
A .59
A .65
A .71
0.68-0.73
0.74-0.81
0.82-0.89
0.90-0.98
0.99-1.12
0.65-0.68
0.69-0.77
0.78-0.84
0.85-0.93
0.94-1.05
0.61-0.65
0.66-0.72
0.73-0.79
0.80-0.88
0.89-0.98
A .78
A .86
A .95
A 1.02
A 1.16
1.13-1.20
1.21-1.34
1.35-1.41
1.42-1.51
1.52-1.62
1.06-1.13
1.14-1.25
1.26-1.33
1.34-1.42
1.43-1.52
0.99-1.07
1.08-1.17
1.18-1.25
1.26-1.33
1.34-1.44
A 1.25
A 1.39
A 1.54
A 1.63
A 1.75
1.63-1.73
1.74-1.86
1.87-2.02
2.03-2.25
2.26-2.46
1.53-1.63
1.64-1.75
1.76-1.90
1.91-2.13
2.14-2.33
1.45-1.53
1.54-1.65
1.66-1.79
1.80-1.99
2.00-2.18
A 1.86
A 1.99
A 2.15
A 2.31
A 2.57
2.47-2.77
2.78-2.99
3.00-3.26
3.27-3.59
3.60-3.99
2.34-2.73
2.74-2.86
2.87-3.14
3.15-3.47
3.48-3.83
2.19-2.45
2.46-2.65
2.66-2.90
2.91-3.19
3.20-3.56
A 2.81
A 3.61
A 3.95
A 4.32
A 4.79
4.00-4.42
4.43-4.61
4.62-5.23
5.24-5.39
5.40-5.88
3.84-4.16
4.17-4.43
4.44-5.00
5.01-5.16
5.17-5.56
3.57-3.83
3.84-4.08
4.09-4.64
4.65-5.00
5.01-5.36
A 5.30
A 5.78
A 6.20
A 6.99
A 7.65
5.89-6.56
6.57-7.18
7.19-7.80
7.81-9.00
5.57-6.22
6.23-6.89
6.90-7.00
. . . .
5.37-5.87
5.88-6.43
6.44-6.79
6.80-7.00
A 8.38
A 9.25
A 9.85
A 11.0
Table 18
Motor
Full-Load Current (Amp)
Thermal
Unit
Number
1.T.U. 2 T.U. 3 T.U.
15.5-16.4
16.5-17.6
17.7-19.1
19.2-20.4
20.5-22.1
14.4-15.3
15.4-16.4
16.5-18.4
18.5-19.6
19.7-21.0
13.6-14.5
14.6-15.5
15.6-17.4
17.5-18.5
18.6-19.9
CC 20.9
CC 22.8
CC 24.6
CC 26.3
CC 28.8
22.2-23.4
23.5-25.6
25.7-27.3
27.4-29.4
29.5-31.5
21.1-22.7
22.8-24.2
24.3-25.9
26.0-27.8
27.9-29.8
20.0-21.5
21.6-22.9
23.0-24.5
24.6-26.3
26.4-28.2
CC 31.0
CC 33.3
CC 36.4
CC 39.6
CC 42.7
31.6-33.7
33.8-36.5
36.6-39.1
39.2-41.7
41.8-44.8
29.9-31.7
31.8-34.2
34.3-36.9
37.0-39.8
39.9-42.3
28.3-30.0
30.1-32.3
32.4-34.9
35.0-37.6
37.7-40.0
CC 46.6
CC 50.1
CC 54.5
CC 59.4
CC 64.3
44.9-48.0
48.1-50.7
50.8-54.9
55.0-59.9
60.0-63.3
42.4-45.3
45.4-47.9
48.0-51.9
52.0-56.5
56.6-60.7
40.1-42.8
42.9-45.3
45.4-49.1
49.2-53.4
53.5-57.4
CC 68.5
CC 74.6
CC 81.5
CC 87.7
CC 94.0
63.4-67.2
67.3-72.4
72.5-74.9
75.0-77.4
77.5-80.7
60.8-64.8
64.9-67.1
67.2-70.1
70.2-72.9
73.0-74.9
57.5-61.3
61.4-63.5
63.6-66.3
66.4-69.0
69.1-70.9
CC 103
CC 112
CC 121
CC 132
CC 143
80.8-83.1
83.2-86.0
. . . .
. . . .
75.0-77.9
78.0-80.9
81.0-82.9
83.0-86.0
71.0-73.7
73.8-76.5
76.6-78.4
78.5-86.0
CC 156
CC 167
CC 180
CC 196